The United States of America (USA), commonly known as the United States (U.S. or US), is a federal republic located primarily in central North America. It is the world's third largest country by total area and has a population of over 328 million people. The capital of the United States is Washington, D.C., and its largest city is New York City.

The U.S. is a diverse country known for its rich history, natural wonders, and cultural melting pot. The country is home to many iconic landmarks, such as the Statue of Liberty, the Grand Canyon, and Mount Rushmore. It is also known for its cutting-edge technology, robust economy, and powerful military.

The U.S. is a constitutional federal republic with a presidential system of government. It has a strong tradition of democracy and the rule of law, and is widely regarded as a leader in terms of human rights and civil liberties. The country is divided into 50 states, each with its own unique culture, geography, and history.

The U.S. has a rich and diverse cultural heritage, with influences from many different countries and traditions. It is known for its contributions to art, music, film, and literature, as well as its cuisine and fashion. The country is also famous for its sports, with popular pastimes including American football, basketball, baseball, and golf.